Geometrical OpticsHard
Question
The magnifying power of telescope is found to be 9 and seperation between lenses is 20cm. what are focal lengths of component lenses
Options
A.18cm, 2cm
B.4cm, 16cm
C.10cm, 10cm
D.12cm, 8cm
More Geometrical Optics Questions
A cylindrical tube (μw = 4/3) is closed at its both ends by two silvered plane-convex lens as shown in the figure. ...The figure shows initial positions of a source of light S and a light detector D. Both S & D move with velocity 10 cm/s,...A person′s near point is 50 cm and his far point is 3 m. Power of the lenses he requires for- (i) reading and (ii)...An isoscales prism of angle 120o has a refrective index 1.44. Two parallel rays of monochromatic light enter the prism p...Two beams of light having intensities I and 4I interfere to produce a fringe pattern on a screen. The phase difference b...